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Fixed-Mobile Convergence (FMC) has been a trending topic in telecommunications during the last decade. Standard Development Organizations (SDOs) have addressed FMC in the context of different access and core networks, with special focus in the 3rd generation Partnership Project (3GPP) and in the Broadband Forum (BBF). This paper describes the standardization work done in this area based on the work...
This paper describes a Copper Plant Manager concept for DSL first mile, which effectively enables performance monitoring, fault interpretation and dynamic link management. This concept copes with the nature and complexity of the underlying DSL network and presents a unified solution for controlling and managing its resources. An implementation of the CPM concept embedded in a Network Management System...
Digital Subscriber Lines (DSL) are today one of the most important means for delivering high-speed data transmission. Dynamic Spectrum Management (DSM) is an emerging technique for dealing with crosstalk, one of the technology's most harmful problems. DSM judiciously designs users' power spectral densities so that the overall system performance is improved. This works aims at presenting a new insight...
During 2006 and spring 2007, integration and commissioning of trigger and data acquisition (TDAQ) equipment in the ATLAS experimental area has progressed. Much of the work has focused on a final prototype setup consisting of around eighty computers representing a subset of the full TDAQ system. There have been a series of technical runs using this setup. Various tests have been run including ones...
The ATLAS experiment at the LHC will face the challenge of selecting interesting candidate events in proton-proton collisions at 14 TeV center of mass energy, while rejecting the enormous number of background events. The trigger system architecture is organized in three levels. From a bunch crossing rate of 40 MHz the First level trigger, hardware implemented, will reduce this rate to around ~75 kHz...
Wireline communication using the copper plant is one of the major access techniques. The shorter the wires, the larger is the frequency band that can be exploited in an economically feasible way. Several technologies using frequency bands up to 30 MHz have been standardized during the last decade. Properties of the wireline channel for frequencies above 30 MHz are to a large extent unexplored. This...
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